package com.kwum.pattern.ChainOfResponsibilityPattern;


/**
 * Description: 创建抽象的记录器类
 * @author Kwum
 * @date 2017年9月27日 下午3:52:42
 * @version 1.0
 */

public abstract class AbstractLogger {
    
    public static int INFO = 1;
    public static int DEBUG = 2;
    public static int ERROR = 3;

    protected int level;

    //责任链中的下一个元素
    protected AbstractLogger nextLogger;

    public void setNextLogger(AbstractLogger nextLogger){
       this.nextLogger = nextLogger;
    }

    public void logMessage(int level, String message){
       if(this.level <= level){
          write(message);
       }
       if(nextLogger != null){
          nextLogger.logMessage(level, message);
       }
    }

    abstract protected void write(String message);
}
